FSA2257 Low RON Low-Voltage Dual SPDT Bi-Directional Analog Switch Features Description ■ Maximum 1.15Ω On Resistance (RON) for 4.5V Supply ■ 0.3Ω Maximum RON Flatness for +5V Supply ■ Space-Saving MicroPak™ Packaging ■ Broad VCC Operating Range: 1.65V to 5.5V ■ Fast Turn-on / Turn-off Time ■ Break-Before-Make Enable Circuitry ■ Over-Voltage Tolerant TTL-Compatible Control Input The FSA2257 is a high-performance bi-directional dual Single-Pole/Double-Throw (SPDT) analog switch. This switch can be configured as either a multiplexer or a demultiplexer by select pins. The device features ultra-low RON of 1.3Ω maximum at 4.5V VCC and operates over the wide VCC range of 1.65V to 5.5V. The device is fabricated with submicron CMOS technology to achieve fast switching speeds and is designed for break-before-make operation. The select input is TTL-level compatible. Applications ■ Cell Phone ■ PDA ■ Mobile Devices Ordering Information Part Number Package Number Eco Status Top Mark FSA2257L10X MAC010A RoHS EP FSA2257MTCX MTC14 RoHS FSA2257MUX MUA101A RoHS Package Description 10-Lead MicroPak™, 1.6 x 2.1mm Packing Method 5000 Units on Tape and Reel 14-Lead Thin Shrink Small Outline FSA2257 Package (TSSOP), JEDEC MO-153, 4.4mm Wide 2500 Units on Tape and Reel 10-Lead Molded Small Outline Package (MSOP), JEDEC MO-187, 3.0mm 4000 Units on Tape and Reel FSA 2257 For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html. 32Ω Earpiece Base Band Voice/Bell Ring Base Band Processors with Melody Ring Generation Amp 8Ω Loud Speaker Select Pin FSA2257 Figure 1. Block Diagram © 2006 Fairchild Semiconductor Corporation FSA2257 Rev. 1.0.5 www.fairchildsemi.com FSA2257 — Low RON Low-Voltage Dual SPDT Bi-Directional Analog Switch May 2009 1A GND 1B0 2A GND 2B0 NC 1 14 2 13 3 12 4 11 5 10 6 9 7 8 VCC 1B0 1S 1A 1B1 1S 9 8 7 6 1B1 VCC 10 GND 5 VCC 2S 2B1 NC Figure 2. Pin Assignments for TSSOP (Top View) 1 2 3 4 2B0 2S 2A 2B1 Figure 3. Pad Assignments for MicroPak (Top View) 2B1 1 10 2B0 2S 2 9 2A VCC 3 8 GND 1A 4 7 1S 1B0 5 6 1B1 Figure 4. Pin Assignments for MSOP (Top View) Analog Symbols Truth Table GND 2B0 1 2S 2A 2B1 10 9 1B0 2 8 1S 3 7 1A 6 4 Control Input(s) Function LOW Logic Level B0 Connected to A HIGH Logic Level B1 Connected to A Pin Descriptions 1B1 5 Pin Names Function A, B0, B1 Data Ports S Control Input VCC Figure 5. Analog Symbols (Top Through View) © 2006 Fairchild Semiconductor Corporation FSA2257 Rev. 1.0.5 www.fairchildsemi.com 2 FSA2257 — Low RON Low-Voltage Dual SPDT Bi-Directional Analog Switch Connection Diagrams Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Symbol VCC VSW VIN IIK Parameter Supply Voltage DC Switch Voltage (2) Min. Max. Unit –0.5 +6.0 V –0.5 VCC +0.5 V (2) –0.5 +6.0 V Input Diode Current –50 Switch Current 200 mA Peak Switch Current (Pulsed at 1ms duration, <10% duty cycle) 400 DC Input Voltage +150 °C TJ Maximum Junction Temperature +150 °C TL Lead Temperature (Soldering, 10 seconds) +260 °C Human Body Model, JESD22-A114 8000 Charged Device Model, JESD22-C101 2000 TSTG ESD Storage Temperature Range –65 V Note: 2. The input and output negative voltage ratings may be exceeded if the input and output diode current ratings are observed. Recommended Operating Conditions The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not recommend exceeding them or designing to absolute maximum ratings. Symbol Parameter Min. Max. Unit VCC Supply Voltage 1.65 5.50 V VIN Control Input Voltage(3) 0 VCC V VSW Switch Input Voltage 0 VCC V −40 +85 °C TA Operating Temperature Note: 3. Unused control inputs must be held HIGH or LOW. They may not float. © 2006 Fairchild Semiconductor Corporation FSA2257 Rev. 1.0.5 www.fairchildsemi.com 3 FSA2257 — Low RON Low-Voltage Dual SPDT Bi-Directional Analog Switch Absolute Maximum Ratings All typical values are at 25°C unless otherwise specified. Symbol Parameter VCC (V) Conditions TA= −40°C to +85°C TA=+25°C Units Min. Typ. Max. Min. Max. VIH VIL IIN Input Voltage High Input Voltage Low Control Input Leakage VIN = 0V to VCC 1.8 to 2.7 1.0 2.7 to 3.6 2.0 4.5 to 5.5 2.4 V 1.8 to 2.7 0.4 2.7 to 3.6 0.6 4.5 to 5.5 0.8 2.7 to 3.6 −1.0 1.0 4.5 to 5.5 −1.0 1.0 V μA INO(OFF), INC(OFF) Off-Leakage Current of Port B0 and B1 A = 1V, 4.5V, B0 or B1 = 1V, 4.5V 5.5 –2.0 2.0 −20.0 20.0 nA IA(ON) On Leakage Current of Port A A = 1V, 4.5V, B0 or B1 = 1V, 4.5V or Floating 5.5 −4.0 4.0 −40.0 40.0 nA RON Switch ON Resistance IOUT = 100mA, B0 or B1 = 1.5V MicroPak(4) IOUT = 100mA, B0 or B1 = 3.5V Switch On Resistance IOUT = 100mA, B0 or B1 = 1.5V MSOP / TSSOP(4) ΔRON RFLAT(ON) ICC 1.8 4.6 2.7 2.6 4.0 4.3 4.5 0.95 1.15 1.30 2.7 2.8 4.5 2.3 IOUT = 100mA, B0 or B1 = 3.5V 4.5 1.5 On Resistance Matching 5etween Channels(4) MicroPak IOUT = 100mA, B0 or B1 = 3.5V 4.5 0.06 On Resistance Matching Between Channels(5) MSOP / TSSOP IOUT = 100mA, B0 or B1 = 3.5V 4.5 0.7 IOUT = 100mA, B0 or B1 = 0V, 0.75V, 1.5V 1.8 3.0 2.7 1.4 4.5 0.2 0.3 0.4 3.6 0.1 0.5 1.0 5.5 0.1 0.5 1.0 On Resistance Flatness(6) Quiescent Supply Current 0.12 Ω 0.15 Ω IOUT = 100mA, B0 or B1 = 0V, 1V, 2V VIN = 0V or VCC, IOUT = 0V 0.3 Ω μA Notes: 4. On resistance is determined by the voltage drop between A and B pins at the indicated current through the switch. 5. ΔRON = RONmax – RONmin measured at identical VCC, temperature, and voltage. 6. Flatness is defined as the difference between the maximum and minimum value of on resistance over the specified range of conditions. © 2006 Fairchild Semiconductor Corporation FSA2257 Rev. 1.0.5 www.fairchildsemi.com 4 FSA2257 — Low RON Low-Voltage Dual SPDT Bi-Directional Analog Switch DC Electrical Characteristics All typical values are at 25°C unless otherwise specified. Symbol tON tOFF tBBM Parameter Turn-On Time Conditions B0 or B1 = 1.5V, RL = 50Ω, CL = 35pF Break-BeforeMake Time Min. Typ. Max. Min. Max. Units 1.8 to 2.7 60 4.5 to 5.5 35 40 2.7 to 3.6 20 30 B0 or B1 = 3.0V, RL = 50Ω, CL = 35pF 4.5 to 5.5 15 20 B0 or B1 = 1.5V, RL = 50Ω, CL = 35pF 2.7 to 3.6 B0 or B1 = 3.0V, RL = 50Ω, CL = 35pF 4.5 to 5.5 20 2.7 to 3.6 20 4.5 to 5.5 10 B0 or B1 = 1.5V, RL = 50Ω, CL = 35pF CL = 1.0nF, VGEN = 0V, RGEN = 0Ω OIRR Off Isolation f = 1MHz, RL = 50Ω Xtalk Crosstalk f = 1MHz, RL = 50Ω BW −3db Bandwidth RL = 50Ω THD Total Harmonic Distortion RL = 600Ω, VIN = 0.5VPP f = 20Hz to 20kHz Figure Number 75 50 Charge Injection Q TA =−40°C to +85°C TA =+25°C 2.7 to 3.6 B0 or B1 = 3.0V, RL = 50Ω, CL = 35pF Turn-Off Time VCC (V) 1.8 to 2.7 ns Figure 6. ns Figure 6. ns Figure 7. pC Figure 9. dB Figure 8. dB Figure 8. MHz Figure 11. % Figure 12. Units Figure Number 20 1 2.7 to 3.6 –70 4.5 to 5.5 –70 2.7 to 3.6 –75 4.5 to 5.5 –75 2.7 to 3.6 200 4.5 to 5.5 200 2.7 to 3.6 0.002 4.5 to 5.5 0.002 1 Capacitance Symbol CIN Parameter Conditions VCC (V) TA =+25°C Min. Typ. Max. TA= 40 to +85°C Min. Max. Control Pin Input Capacitance f = 1MHz 0.0 3.5 pF Figure 10. COFF B Port Off Capacitance f = 1MHz 4.5 12.0 pF Figure 10. CON A Port On Capacitance f = 1MHz 4.5 40.0 pF Figure 10. © 2006 Fairchild Semiconductor Corporation FSA2257 Rev. 1.0.5 www.fairchildsemi.com 5 FSA2257 — Low RON Low-Voltage Dual SPDT Bi-Directional Analog Switch AC Electrical Characteristics VCC VB B0 or B1 VCC A Control Input VOUT 50% 0V CL 35pF RL 50Ω S tR = tF = 2.5ns 3V tOFF VOUT GND Switch Output CL Includes Fixture and Stray Capacitance 0.9 x VOUT 0 0.9 x VOUT tON Logic Input Waveforms Inverted for Switches that have the Opposite Logic Sense Figure 6. Turn-On / Turn-Off Timing VCC VBn Control Input VCC B0 VOUT A 3V 50% tR = tF = 2.5ns 0V B1 RL 50Ω S Control Input CL 35pF VOUT 0.9 x VOUT GND TD CL Includes Fixture and Stray Capacitance Figure 7. Break-Before-Make Timing VCC 0 or VCC S VCC 10nF A VIN Network Analyzer 50Ω 50Ω 0dBm OFF-ISOLATION = 20log ON-LOSS = 20log VOUT VIN CROSSTALK = 20log BO B1 50Ω GND VOUT MEAS REF 50Ω VOUT VIN VOUT VIN 50Ω Figure 8. Off Isolation and Crosstalk © 2006 Fairchild Semiconductor Corporation FSA2257 Rev. 1.0.5 www.fairchildsemi.com 6 FSA2257 — Low RON Low-Voltage Dual SPDT Bi-Directional Analog Switch AC Loading and Waveforms FSA2257 — Low RON Low-Voltage Dual SPDT Bi-Directional Analog Switch AC Loading and Waveforms (Continued) RGEN + VGEN A VOUT B0 or B1 GND ΔVOUT VOUT VCC IN OFF CL ON OFF S Control Input ON OFF IN OFF Q = (ΔVOUT)(CL) Figure 9. Charge Injection 10nF V+ A S Capacitance Meter 0V or VCC B0 or B1 f = 1MHz GND Figure 10. On / Off Capacitance Measurement Setup 10nF Signal Generator 0dBm VCC BN A Analyzer 50Ω S Logic Input 0V or VCC GND Figure 11. Bandwidth 10nF VIN BN Signal Generator VCC A Analyzer RL S Logic Input 0V or VCC GND Figure 12. Harmonic Distortion © 2006 Fairchild Semiconductor Corporation FSA2257 Rev. 1.0.5 www.fairchildsemi.com 7 0.10 C 2.10 2X A (1.62) B (0.11) (1.12) 1.60 P IN 1 ID E N T IS LO N G E R T H A N O T H E R LIN E S (0.56) 0.10 C 2X 0.50 T O P V IE W (0.35) 10 (0.25) 10X R E C O M M E N D E D LA N D P A T T E R N 0.55 M A X 0.05 C 0.05 C 0.05 0.00 C S ID E V IE W 0.35 0.25 (0.20) 0.35 0.25 (0.15) NOTES: A . P A C K A G E C O N F O R M S T O JE D E C R E G IS T R A T IO N M O -255, V A R IA T IO N U A B D (0.81) (0.25) 1 4 B . D IM E N S IO N S A R E IN M ILLIM E T E R S . C . D IM E N S IO N S A N D T O LE R A N C E S P E R A S M E Y 14.5M , 1994. 0.56 10 D . D R A W IN G F ILE N A M E : M K T -M A C 10A rev4. 5 6 9 0.50 0.25 9X 0.15 1.62 0.35 9X 0.25 0.10 0.05 C A B C B O T T O M V IE W Figure 13. 10-Lead MicroPak, 1.6 x 2.1mm Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/. Note: click here for tape and reel specifcations, available at: http://www.fairchildsemi.com/products/logic/pdf/micropak_tr.pdf © 2006 Fairchild Semiconductor Corporation FSA2257 Rev. 1.0.5 www.fairchildsemi.com 8 FSA2257 — Low RON Low-Voltage Dual SPDT Bi-Directional Analog Switch Physical Dimensions 0.65 0.43 TYP 1.65 6.10 0.45 12.00°TOP & BOTTOM R0.09 min A. CONFORMS TO JEDEC REGISTRATION MO-153, VARIATION AB, REF NOTE 6 B. DIMENSIONS ARE IN MILLIMETERS C. DIMENSIONS ARE EXCLUSIVE OF BURRS, MOLD FLASH, AND TIE BAR EXTRUSIONS D. DIMENSIONING AND TOLERANCES PER ANSI Y14.5M, 1982 E. LANDPATTERN STANDARD: SOP65P640X110-14M F. DRAWING FILE NAME: MTC14REV6 1.00 R0.09min Figure 14. 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/. © 2006 Fairchild Semiconductor Corporation FSA2257 Rev. 1.0.5 www.fairchildsemi.com 9 FSA2257 — Low RON Low-Voltage Dual SPDT Bi-Directional Analog Switch Physical Dimensions (Continued) FSA2257 — Low RON Low-Voltage Dual SPDT Bi-Directional Analog Switch Physical Dimensions (Continued) Figure 15. 10-Lead Molded Small Outline Package (MSOP), JEDEC MO-187, 3.0m Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/. Note: click here for tape and reel specifcations, available at: http://www.fairchildsemi.com/products/analog/pdf/msop10_tr.pdf © 2006 Fairchild Semiconductor Corporation FSA2257 Rev. 1.0.5 www.fairchildsemi.com 10 FSA2257— Low RON Low-Voltage Dual SPDT Bi-Directional Analog Switch © 2006 Fairchild Semiconductor Corporation FSA2257 Rev. 1.0.5 www.fairchildsemi.com 11